The \"air jacking\" operation for the liquid ammonia storage tank dome of the Tianjin Bohua engineering project was a complete success

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On April 27, the \"air jacking\" operation for the liquid ammonia storage tank dome of the Tianjin Bohua project, undertaken by Sinopec Fourth Construction Storage and Transportation Engineering Company, was completed successfully. The liquid ammonia storage tank that the company has lifted this time is one of the first large-scale, fully enclosed bimetallic storage tanks for low-temperature liquid ammonia to be put into use in China. In the face of the severe weather with strong winds along the coast recently, the project management department carried out advance planning, strictly implemented specialized technical instructions, clarified job responsibilities, and through multiple rounds of practical drills and comprehensive data verification, worked hard to strengthen the safeguards for safety and quality. At 6:17 a.m., multiple high-pressure blowers started up on time, and the dome was then lifted smoothly and positioned accurately. During the lifting process, laser rangefinders, pressure sensors, and an intelligent synchronization control system were used on-site simultaneously to enable real-time data collection and dynamic transmission, ensuring stable coordination of the operations.